import std.experimental.all;

T read(T)() { return readln.chomp.to!T; }
T[] reads(T)() { return readln.split.to!(T[]); }
alias readint = read!int;
alias readints = reads!int;

void calc(long n) {
    for (int a = 3; ; a++) {
        long b = n - a;
        if (a > b) break;

        if (!isPowerOf2(a) && !isPowerOf2(b)) {
            writeln(a, " ", b);
            return;
        }
    }
    writeln(-1);
}

void main() {
    long n = read!long;
    calc(n);
}